Present knowledge of the role of vitamin A in health and disease.
D000293:Adolescent; D000328:Adult; D000349:Africa; D000368:Aged; D001210:Asia, Southeastern; D002648:Child; D002675:Child, Preschool; D005061:Europe, Eastern; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D013020:South America; D014801:Vitamin A / Q000378:metabolism*; D014802:Vitamin A Deficiency; D014985:Xerophthalmia
D014801:Vitamin A